Koppers Management Meeting with Financial Community in Los Angeles

PITTSBURGH, Sept. 25, 2025 /PRNewswire/ -- Koppers Holdings Inc. (NYSE: KOP) today announced that the company will host meetings with the investment community in Los Angeles and the surrounding areas on October 2-3, 2025.

Koppers management will be represented by Leroy Ball, Chief Executive Officer and Chairman of the Board, and Quynh McGuire, Vice President of Investor Relations.

Presentation materials will be available on www.koppers.com in the Investor Relations section of the company's website.

About Koppers

Koppers (NYSE: KOP) is an integrated global provider of essential treated wood products, wood preservation technologies and carbon compounds. Our team of 2,100 employees create, protect and preserve key elements of our global infrastructure – including railroad crossties, utility poles, outdoor wooden structures, and production feedstocks for steel, aluminum and construction materials, among others – applying decades of industry-leading expertise while constantly innovating to anticipate the needs of tomorrow. Together we are providing safe and sustainable solutions to enable rail transportation, keep power flowing, and create spaces of enjoyment for people everywhere. Protecting What Matters, Preserving The Future. Learn more at Koppers.com.

Inquiries from the media should be directed to Ms. Jessica Franklin Black at BlackJF@koppers.com or 412-227-2025. Inquiries from the investment community should be directed to Ms. Quynh McGuire at McGuireQT@koppers.com or 412-227-2049.

View original content to download multimedia:https://www.prnewswire.com/news-releases/koppers-management-meeting-with-financial-community-in-los-angeles-302564645.html

SOURCE KOPPERS HOLDINGS INC.